Current Aircraft News and Events

Current Aircraft News and Events, Aircraft News Articles.
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'Runway Roadkill' rapidly increasing at airports across the world, UCC study finds
The number of reported collisions (i.e. strikes) between aircraft and wildlife is increasing globally, with consequences for personnel and passenger safety as well as for industry economics. These are important considerations for airport operators that are obliged to mitigate wildlife hazards at airfields. Incidents involving mammals account for approximately 3-10% of all recorded strikes. However, relatively little research has been conducted on mammal strikes with aircraft outside of the USA. (2021-02-05)

More mammals are being struck by aircraft each year
Investigators have published a global review of mammal strikes with aircraft, noting that events have been increasing by up to 68% annually. More mammals were struck during the landing phase of an aircraft's rotation than any other phase, according to the article published in Mammal Review. (2021-02-03)

Turbulence model could enhance rotorcraft, munitions performance
Design of Army aerial vehicles and weapon systems relies on the ability to predict aerodynamic behavior, often aided by advanced computer simulations of the flow of air over the body. High-fidelity simulations assist engineers in maximizing how much load a rotorcraft can lift or how far a missile can fly, but these simulations aren't cheap. A new turbulence model could change that (2021-01-25)

Tiny particles that seed clouds can form from trace gases over open sea
New results from an atmospheric study over the Eastern North Atlantic reveal that tiny aerosol particles that seed the formation of clouds can form out of next to nothingness over the open ocean. The findings will improve how aerosols and clouds are represented in models that describe Earth's climate so scientists can understand how the particles--and the processes that control them--might have affected the planet's past and present, and make better predictions about the future. (2021-01-22)

Turbulence model could help design aircraft capable of handling extreme scenarios
To help build aircraft that can better handle violent turbulence, Purdue University researchers developed a new model that allows engineers to incorporate the physics of an entire vortex collision into their design codes. (2021-01-21)

Concept for a hybrid-electric plane may reduce aviation's air pollution problem
A proposed hybrid-electric plane could ''eliminate aviation's air pollution problem,'' say MIT engineers. Their design could reduce global nitrogen oxide (NOx) emissions by 95 percent, they report in a study. (2021-01-14)

How will we achieve carbon-neutral flight in future?
Carbon-neutral aviation is possible, but in future, aircraft are likely to continue to be powered by fossil fuels. The CO2 they emit must be systematically stored underground. This is the most economical of various approaches that ETH researchers have compared in detail. (2021-01-13)

Tiny quantum computer solves real optimisation problem
Quantum computers have already managed to surpass ordinary computers in solving certain tasks - unfortunately, totally useless ones. The next milestone is to get them to do useful things. Researchers at Chalmers University of Technology, Sweden, have now shown that they can solve a small part of a real logistics problem with their small, but well-functioning quantum computer. (2020-12-17)

UBCO research takes the chill off icy build-up on planes and wind turbines
New UBC Okanagan research is changing the way aircraft and wind turbine operators are addressing the risks related to ice build-up. In a follow-up study from one released previously this year, Assistant Professor Mohammad Zarifi and his team at UBCO's Okanagan MicroElectronics and Gigahertz Applications (OMEGA) Lab, have broadened the scope and functionality of their ice sensors. (2020-12-17)

Invention may get Army quadcopters to move faster
Researchers believe a new hinge is the key to get load-bearing, large, Army quadrotors to climb a few dozen feet in seconds (2020-12-16)

Army looks to improve quadrotor drone performance
The U.S. Army Combat Capabilities Development Command's, now referred to as DEVCOM, Army Research Laboratory collaborated with researchers at Rensselaer Polytechnic Institute to create a trajectory planner that significantly shortens the time it takes for VTOL tail-sitter drones to make this crucial transition. The team designed the trajectory planner specifically for the Army's Common Research Configuration platform, a quadrotor biplane tail-sitter used to test new design features and study fundamental aerodynamics. (2020-12-08)

A standout superalloy
In recent years, it has become possible to use laser beams and electron beams to ''print'' engineering objects with complex shapes that could not be achieved by conventional manufacturing. The additive manufacturing (AM) process, or 3D printing, for metallic materials involves melting and fusing fine-scale powder particles -- each about 10 times finer than a grain of beach sand -- in sub-millimeter-scale ''pools'' created by focusing a laser or electron beam on the material. (2020-12-08)

Military flights biggest cause of noise pollution on Olympic Peninsula
A University of Washington study provides the first look at how much noise pollution is impacting the Olympic Peninsula. The paper found that aircraft were audible across a large swath of the peninsula at least 20% of weekday hours, or for about one hour during a six-hour period. About 88% of all audible aircraft in the pre-pandemic study were military planes. (2020-12-07)

Wind tunnel tests will help design future Army tiltrotor aircraft
NORFOLK, Va. -- After more than three years in development, a team of U.S. Army researchers and industry partners completed the construction of a testbed that will help to inform the design of future Army rotorcraft. The team plans to test the TiltRotor Aeroelastic Stability Testbed, or TRAST in a massive wind tunnel at the NASA Langley Research Center to gauge the effectiveness of modern tiltrotor stability models. (2020-12-07)

Army researchers look to reduce rotorcraft noise
Imagine a silent helicopter stealthily moving troops and supplies around a future battlefield. U.S. Army researchers look to helicopter noise reduction technology as a top priority in aircraft design. At the U.S. Army Combat Capabilities Development Command, now known as DEVCOM, Army Research Laboratory, researchers collaborated with Uber and the University of Texas at Austin to investigate the acoustic properties of electric vertical takeoff and landing aircraft, which use distributed electric propulsion to power flight. (2020-12-01)

Airplane noise at night can trigger cardiovascular death
For the first time, a study demonstrated that loud night-time noise from airplanes can trigger a cardiovascular death within two hours. Researchers from the Swiss Tropical and Public Health Institute (Swiss TPH) and partners compared mortality data with acute night-time noise exposure around Zurich airport between 2000 and 2015. The results of the study have been published today in the renowned European Heart Journal. (2020-11-27)

Keyhole wasps may threaten aviation safety
Over a period of 39 months, invasive keyhole wasps (Pachodynerus nasidens) at the Brisbane Airport were responsible for 93 instances of fully blocked replica pitot probes - vital instruments that measure airspeed -- according to a study published November 25 in the open-access journal PLOS ONE by Alan House of Eco Logical Australia and colleagues. As noted by the authors, the results underscore the importance of risk-mitigating strategies, such as covering pitot probes when aircraft arrive and setting up additional traps to intercept the wasps. (2020-11-25)

The science of windy cities
Researchers model urban airflows to help improve the design of drones, skyscrapers, and natural ventilation systems. (2020-11-23)

Small finlets on owl feathers point the way to less aircraft noise
Collaboration between City, University of London and RWTH Aachen University researchers reveals how these micro-structures enable silent flight. (2020-11-18)

This beetle can survive getting run over by a car. Engineers are figuring out how.
Getting run over by a car is not a near-death experience for the diabolical ironclad beetle. How the beetle survives could inspire the development of new materials with the same herculean toughness, engineers show in a paper published Wednesday (Oct. 21) in Nature. (2020-10-21)

Quieter wind beneath the wings
The ability to efficiently simulate the noise generated by wings and propellers promises to accelerate the development of quieter aircraft and turbines. (2020-09-27)

Unexpected wildfire emission impacts air quality worldwide
During wildfires, nitrous acid plays a leading role--spiking to levels significantly higher than scientists expected, driving increased ozone pollution and harming air quality, according to a new study led by the University of Colorado Boulder and the Belgian Institute for Space Aeronomy. (2020-09-21)

New mathematical tool can select the best sensors for the job
In the 2019 Boeing 737 Max crash, the recovered black box from the aftermath hinted that a failed pressure sensor may have caused the ill-fated aircraft to nose dive. This incident and others have fueled a larger debate on sensor selection, number and placement to prevent the reoccurrence of such tragedies. Texas A&M University researchers have now developed a comprehensive mathematical framework that can help engineers make informed decisions about which sensors to use. (2020-09-17)

Volcanic ash may have a bigger impact on the climate than we thought
Volcanic ash shuts down air traffic and can sicken people. But a new study suggests that it may also be more important for Earth's climate than scientists once thought. (2020-09-10)

Spotlight on artificial intelligence: ONR to highlight AI research at DoD Symposium
Leaders from the Office of Naval Research will discuss how the Department of the Navy can best harness the power and potential of artificial intelligence (AI) during two panel sessions at the Department of Defense (DoD) Artificial Intelligence Symposium and Exposition, held Sept. 9-10, 2020. The two-day virtual event is sponsored by the DoD's Joint Artificial Intelligence Center. (2020-09-09)

NASA finds new Tropical Storm Nana strengthening in the Caribbean
The storm was a potential tropical depression on Sept. 1, but by Sept. 2, the area of low pressure in the Caribbean Sea strengthened into a tropical storm and was named Nana. (2020-09-02)

Aviation contributes 3.5% to the drivers of climate change that stem from humans
Study analysed the individual components of aviation's impact on climate change, and is unique as it used a new metric introduced by the IPCC in 2013. It found two thirds of the impact of aviation is attributed to non-carbon dioxide emissions. (2020-09-02)

University of South Carolina redefining aircraft production process
The University of South Carolina College of Engineering and Computing will transform the manufacturing and simulation processes used in aircraft production through a $5.7 million NASA grant. The research team's atom to airframe to spaceframe approach will make urban air mobility possible by dramatically increasing the production rate of aircraft. (2020-09-01)

Ozone across northern hemisphere increased over past 20 years
In a first-ever study using ozone data from commercial aircraft, CIRES researchers found that levels of the pollutant in the lowest part of Earth's atmosphere have increased across the Northern Hemisphere over the past 20 years. That's even as tighter controls on emissions of ozone precursors have lowered ground-level ozone in some places, including North America and Europe. (2020-08-21)

Novel method of heat conduction could be a game changer for server farms and aircraft
'We are hopeful that the one-way heat transfer of our bridging-droplet diode will enable the smart thermal management of electronics, aircraft, and spacecraft,' said Boreyko. (2020-08-18)

How airplanes counteract St. Elmo's Fire during thunderstorms
An MIT study finds windy conditions can weaken St. Elmo's fire, the phenomenon when electrically conductive structures spontaneously emit a flash of blue light, when it's generated by aircraft and other ungrounded objects. (2020-08-11)

NASA animation tracks Tropical Storm Hanna's progression
NASA's Aqua satellite obtained visible imagery as Tropical Storm Hanna formed in the Gulf of Mexico and continued to organize. A new animation from NASA shows how Hanna developed and intensified as it heads toward landfall in Texas this weekend. (2020-07-24)

NASA finds strength in new Gulf Tropical Depression 8
NASA's Aqua satellite used infrared light to identify the strongest storms and coldest cloud top temperatures in Tropical Depression 8, spinning in the Gulf of Mexico. (2020-07-23)

Reduction in commercial flights due to COVID-19 leading to less accurate weather forecasts
Weather forecasts have become less accurate during the COVID-19 pandemic due to the reduction in commercial flights, according to new research. A new study in AGU's journal Geophysical Research Letters finds the world lost 50-75% of its aircraft weather observations between March and May of this year, when many flights were grounded due to the pandemic. (2020-07-17)

Airplane noise appears to negatively impact fetal health
For the first time, researchers have provided a causal estimate linking high-level noise exposure to another key health challenge: low birth weight (< 2,500 grams or approximately 5.5 pounds). Health economists from Lehigh University, Lafayette College and the University of Colorado, Denver were able to pinpoint a causal link by studying residential neighborhoods impacted by recent changes in airplane flight patterns going in and out of Newark Liberty International Airport, one of the largest airports in the United States. (2020-07-13)

NASA tracks tropical storm fay's development and strongest side
NASA used satellite data to create an animation of Fay's development and progression over the past few days, showing how the storm organized into a tropical storm. Additionally, NASA's Aqua satellite used infrared light to find the location of the strongest storms in Tropical Storm Fay occurring in the northeastern quadrant of the storm, mostly over the Atlantic Ocean. (2020-07-10)

Engineering: Reducing noise transmitted through an open window
A new device that can reduce the intensity of sound passing through open windows is presented in a proof-of-principle study in Scientific Reports. It fits into a two-panel sliding window and can decrease the perceived loudness of urban transportation noises by up to half (10 decibel reduction). (2020-07-09)

Recovery from airline delays works best with future disruptions in mind
Instead of responding to each flight delay as if it were an isolated event, airlines should consider the likelihood of potential disruptions ahead, researchers report in the journal Transportation Science. They developed a new approach that allows airlines to respond to flight delays and cancellations while also incorporating information about likely disruptions later the same day. (2020-06-22)

Measuring Atlantic bluefin tuna with a drone
Researchers have used an unmanned aerial system (or drone) to gather data on schooling juvenile Atlantic bluefin tuna in the Gulf of Maine. This pilot study tested whether a drone could keep up with the tuna while also taking photographs that captured physical details of this fast-moving fish. (2020-06-05)

NASA finds heavy rainfall in Tropical Storm Cristobal
The third tropical cyclone of the Atlantic Ocean basin has been generating large amounts of rainfall over Mexico's Yucatan and parts of Central America. Using satellite data, NASA analyzed that heavy rainfall and provided forecasters with valuable cloud top temperature data to help assess the strength of the storm. (2020-06-03)

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